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CP Pistons RB25DET Pistons and Ring Sets

CP RB25DET Pistons

Do you want more horsepower and torque from your engine? We have the solution with these CP Pistons high performance rb25det forged pistons which are compatible with stock and oversized valves as well as stock and high lift camshafts. These serious high performance piston sets are available for use with turbos, superchargers, nitrous and normally aspirated engines.

CP Carrillo products represent the highest quality and are engineered for maximum power. Pistons can be ordered with gas ports, skirt coating, ceramic top coating, and stronger wrist pins if desired. To order a set with any of these options, please include a message in the note section of the order form during our check out process, or you may contact us in advance for more info on these options.

Nissan RB25DET DET CP Pistons Standard features include:

  • Deep valve reliefs accommodate high lift camshafts
  • Larger valve reliefs for +1mm valve sizes
  • Custom skirt cam and barrel design
  • Accumulator grooves
  • High strength aluminum forgings
  • High performance rings included
  • Fully CNC machined and balanced to +/- 1 gram
  • Wrist pins included at no additional cost
  • Double pin oilers force fed from oil ring groove
  • Pick lock grooves for easy lock removal
  • Pin fitting included

CP Pistons RB25DET Forged Pistons and Ring Set Specs

RB25DET Forged Pistons

  • Bore Size Cylinder bore size piston is designed to work in, listed in inches and millimeters
  • Relative Size Denotes whether this bore size is stock standard size, or an oversize listed in millimeters
  • CR Compression Ratio
  • Crankshaft Stroke Crank stroke the pistons are designed to work with.
  • Connecting Rod Length Designed to work with stock rod length of 121.5mm
  • Wrist Pin Diameter 21mm
  • Compression Height This is the distance from the centerline of the wrist pin bore to the top flat surface of the piston.
  • Ring Widths Ring grooves are machined to work with 1.0mm, 1.2mm, 2.8mm rings
  • WHAT’S INCLUDED 6 forged pistons, 6 Wrist Pins, pin retention locks and premium piston ring set


C.H. Compression Piston Set
3.386 86.00 STD 71.7 121.5 1.240 8.5 SC7307

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3.406 86.50 +0.5mm 71.7 121.5 1.240 8.5 SC7308

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3.425 87.00 +1.0mm 71.7 121.5 1.240 8.5 SC73081

Add To Cart
3.386 86.00 STD 71.7 121.5 1.240 9.0 SC7304

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3.406 86.50 +0.5mm 71.7 121.5 1.240 9.0 SC7305

Add To Cart
3.425 87.00 +1.0mm 71.7 121.5 1.240 9.0 SC7306

Add To Cart

More general and technical information about CP Carrillo and our complete listing of all available CP products is here CP Carrillo Forged Pistons

Custom Nissan RB25 Pistons

If you do not see a shelf stocking part number set here with the specifications that you need, we can provide you with a set of custom pistons built to your exact requirements. Please contact us for assistance with custom pistons and we will be happy to work with you to insure you get exactly the forged RB25 pistons that you require for your engine.

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